Adaptive routing strategies for modern high performance networks. Geoffray, P. & Hoefler, T. In Proceedings - Symposium on the High Performance Interconnects, Hot Interconnects, pages 165-172, 2008.
Adaptive routing strategies for modern high performance networks [link]Website  doi  abstract   bibtex   
Today's scalable high-performance applications heavily depend on the bandwidth characteristics of their communication patterns. Contemporary multi-stage interconnection networks suffer from network contention which might decrease application performance. Our experiments show that the effective bisection bandwidth of a non-blocking 512-node Clos network is as low as 38% if the network is routed statically. In this paper, we propose and analyze different adaptive routing schemes for those networks. We chose Myrinet/MX to implement our proposed routing schemes. Our best adaptive routing scheme is able to increase the effective bisection bandwidth to 77% for 512 nodes and 100% for smaller node counts. Thus, we show that our proposed adaptive routing schemes are able to improve network throughput significantly. © 2008 IEEE.
@inproceedings{
 title = {Adaptive routing strategies for modern high performance networks},
 type = {inproceedings},
 year = {2008},
 keywords = {Adaptive routing; Application performances; Bandwi,Bandwidth; Metropolitan area networks; Network ro,Computer networks},
 pages = {165-172},
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 notes = {cited By 25; Conference of 16th Annual IEEE Symposium on High-Performance Interconnects, HOT Interconnects ; Conference Date: 26 August 2008 Through 28 August 2008; Conference Code:74797},
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 abstract = {Today's scalable high-performance applications heavily depend on the bandwidth characteristics of their communication patterns. Contemporary multi-stage interconnection networks suffer from network contention which might decrease application performance. Our experiments show that the effective bisection bandwidth of a non-blocking 512-node Clos network is as low as 38% if the network is routed statically. In this paper, we propose and analyze different adaptive routing schemes for those networks. We chose Myrinet/MX to implement our proposed routing schemes. Our best adaptive routing scheme is able to increase the effective bisection bandwidth to 77% for 512 nodes and 100% for smaller node counts. Thus, we show that our proposed adaptive routing schemes are able to improve network throughput significantly. © 2008 IEEE.},
 bibtype = {inproceedings},
 author = {Geoffray, P and Hoefler, T},
 doi = {10.1109/HOTI.2008.21},
 booktitle = {Proceedings - Symposium on the High Performance Interconnects, Hot Interconnects}
}

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